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Finding the Fourth Proportional to 522,392.16, 783,588.24 and 148,366.56

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Solution

The fourth proportional to 522,392.16, 783,588.24 and 148,366.56 is: 222,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,392.16 : 783,588.24 = 148,366.56 : x
  2. Step 2: Convert to fraction form
    522,392.16/783,588.24 = 148,366.56/x
  3. Step 3: Cross multiply
    522,392.16x = 783,588.24 × 148,366.56
  4. Step 4: Simplify right side
    522,392.16x = 116,258,291,625.25
  5. Step 5: Solve for x
    x = 116,258,291,625.25/522,392.16
  6. Step 6: Final answer
    x = 222,549.84

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.